Chinese President Xi Jinping said here Tuesday that all related parties should work to de-escalate tensions in the Middle ...

听众 “蓝之信” 想知道 “should、ought to” 和 “be supposed to” 在用法上的不同。要想分清它们的用法并不难，先来看一句话：“We _____ leave now.（我们该走了。）” 在空白处应该填 “should、ought to” 还是 “are supposed to”？这里最好用 “should”。这是为什么？

RAMALLAH, June 17 (Xinhua) -- Palestinian Prime Minister Mohammad Mustafa said on Tuesday that the escalation between Iran and Israel should not distract attention from the Israeli "aggression" ...